论文部分内容阅读
历史悠久的密云,山川秀美、人文荟萃、司马台长城宛如一条臣龙腾跃在群山之巅,密云水库像一块宝石镶嵌在燕山山脉,独特的地理环境造就了密云独特的产业发展群。密云作为首都重要饮用水源基
Miyun has a long history, beautiful mountains and streams, and a blend of humanities. The Great Wall of Simatai is like a dragon surging above the mountains. Miyun Reservoir is like a gemstone embedded in the Yanshan Mountains. The unique geographical environment has created Miyun’s unique industrial development group. Miyun as the capital of an important source of drinking water